Toothbrush



FIG. 1 is a perspective view of a toothbrush showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, with the other side beingidentical;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

The ornamental design for a toothbrush, as shown and described.